<template>
  <div id="statistics-reports">
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <div id="chart" style="width: 750px;height:400px;"></div>
    </el-card>
  </div>
</template>

<script>
// 导入echarts
import echarts from 'echarts'
import _ from 'lodash'

export default {
  name: 'StatisticsReports',
  data () {
    return {
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },
  mounted () {
    this.getChartData()
  },
  methods: {
    async getChartData () {
      console.log(111)
      const chart = echarts.init(document.querySelector('#chart'))
      const { data: res } = await this.$http.get('reports/type/1')
      if (res.meta.status !== 200) {
        return this.$message.error('获取报表失败')
      }
      const option1 = this.$deepClone(this.options)
      const option2 = this.$deepClone(res.data)
      const result = { ...option1, ...option2 }
      console.log(result)
      const options = _.merge(res.data, this.options)
      console.log(options)
      chart.setOption(options)
      // console.log(res)
    }
  }
}
</script>

<style scoped lang="less">
#statistics-reports {
  .el-breadcrumb {
    font-size: 12px;
  }
  .el-card {
    margin-top: 15px;
  }
}
</style>
